package databaseInterface;

	import java.sql.ResultSet;
	import java.sql.SQLException;
	import java.sql.Statement;
	import java.util.ArrayList;


	import dataPO.*;

public interface CustomerManageInterface {
		public  void connect ();
	    
		public void insert (CustomerPO cus);

		public void delete (String name );
	    
		public  void update(CustomerPO cus,String name);
	    
		public ArrayList<CustomerPO> query (double min, double max );
		public ArrayList<CustomerPO> query ( double max);
		public ArrayList<CustomerPO> query (String name );
		public ArrayList<CustomerPO> query ( );
	    
	    public boolean exist(String name);
	    
	    public  void close();
	   


}
